beating, bilking, bleeding, cheating, chiseling(or chiselling), chousing, conning, cozening, defrauding, diddling, doing, doing in, euchring, fiddling, fleecing, flimflamming, gaffing, gypping, hosing(slang), hustling, mulcting, nobbling(British slang), plucking, reaming, ripping off, rooking, screwing, shaking down, shorting, skinning, skunking, squeezing, sticking, stiffing, stinging, suckering, swindling, thimblerigging, victimizing

extorting, wrenching, wresting, wringingclipping, gouging, nicking, overcharging, soakingexploiting, milkingdeceiving, duping, fooling, gulling, trickingroping (in)betraying, bitching, double-crossingbamboozling, fast-talking

selling a bill of goods to, taking for a ride, taking to the cleaners